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All Journal Mechanical Engineering for Society and Industry Automotive Experiences
Mustasyar Perkasa
National Research and Innovation Agency, Indonesia
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Verification of a new prototype design of bogie monorail frame with variation of static loading Budi Haryanto; Makmuri Nuramin; Djoko Wahyu Karmiadji; Mustasyar Perkasa; Anwar Anwar; Budi Prasetiyo; Yudi Irawadi; Ogi Ivano; Yana Heryana; Indra Hardiman; Saeful Andhi; Wahyu Purnawirawan
Mechanical Engineering for Society and Industry Vol 3 No 2 (2023)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.9905

Abstract

The purpose of this study was to analyze and validate the strength of a new design monorail bogie frame. The 33 tons capacity of passenger train is supported by two bogie frames, in which each bogie frame structure should support 16.5 tons train load. A bogie frame prototype of monorail structure made of steel material JIS SS 400 was tested with 16.5 tons of static loading. Static test results showed the maximum strain value was 479 microstrain or equivalent to a stress value of 100.54 MPa. The experimental stress value was still far below the yield stress value of the material of 245 MPa. Based on the results of static testing, the design of the monorail bogie frame structure meets strength criteria and safety requirements.
Development of an Automatic Coupler for Railway Vehicles: A Topology Optimization Approach with Numerical and Experimental Validation Jean Mario Valentino; Agus Sigit Pramono; Achmad Syaifudin; Lukman Shalahuddin; Mustasyar Perkasa; Katsuhiko Sasaki
Automotive Experiences Vol. 7 No. 3 (2024)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.11494

Abstract

Topology optimization has demonstrated its effectiveness in generating lightweight and structurally efficient designs. This study focuses on refining the geometry of an automatic coupler body for trains using solid isotropic material with penalization and a level set method. These optimization methods are applied to the numerical model of the automatic coupler, and their results are compared to select the optimal design. The tensile strength of the automatic coupler is examined through numerical simulations and validated by experimental tensile tests conducted on a 1:1 scale prototype. The optimization outcomes reveal a remarkable 46.41% reduction in the mass of the automatic coupler body compared to the initial model. An evaluation of the tensile strength of the prototype demonstrates the ability of the automatic coupler to withstand the primary load without undergoing plastic deformation. Furthermore, a strong correlation is observed between the numerical and experimental results. This research contributes to advancing the design of next-generation automatic couplers, emphasizing the crucial aspects of lightweight design and structural performance.
Co-Authors Achmad Syaifudin Agus Sigit Pramono Anwar Anwar Budi Haryanto Budi Prasetiyo Djoko Wahyu Karmiadji Indra Hardiman Jean Mario Valentino Katsuhiko Sasaki Lukman Shalahuddin Makmuri Nuramin Ogi Ivano Saeful Andhi Wahyu Purnawirawan Yana Heryana Yudi Irawadi